268737-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268737-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,8,7,3 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 268737-91:
(8*2)+(7*6)+(6*8)+(5*7)+(4*3)+(3*7)+(2*9)+(1*1)=193
193 % 10 = 3
So 268737-91-3 is a valid CAS Registry Number.